A) Draw ogives from the following data and measure the median value. Verify it by actual calculation
|
Central size
|
5
|
15
|
25
|
35
|
45
|
|
Frequency
|
5
|
11
|
21
|
16
|
10
|
B) Complete the following distribution if its median is 2600 and compute the value of arithmetic mean
|
Size
|
1000-1500
|
1500-2000
|
2000-2500
|
2500-3000
|
3500-4000
|
4500-5000
|
5000-6000
|
Total
|
|
Frequency
|
120
|
?
|
400
|
500
|
?
|
50
|
20
|
1500
|